diff -r -U2 fbreader-0.99.4.orig/fbreader/Makefile fbreader-0.99.4/fbreader/Makefile
--- fbreader-0.99.4.orig/fbreader/Makefile	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/fbreader/Makefile	2018-01-11 22:18:18.000208200 +0700
@@ -23,5 +23,5 @@
 	done;
 	@echo -n 'Linking $(TARGET) ...'
-	@$(LD) $(LDFLAGS) -o $(TARGET) `find src -name *.o` $(TEXT_LIBS) $(CORE_LIBS) $(ZLUI_LIB) -lsqlite3
+	@$(LD) -fuse-ld=bfd $(LDFLAGS) -o $(TARGET) `find src -name *.o` $(TEXT_LIBS) $(CORE_LIBS) $(ZLUI_LIB) -lsqlite3
 	@echo ' OK'
 
diff -r -U2 fbreader-0.99.4.orig/makefiles/arch/desktop.mk fbreader-0.99.4/makefiles/arch/desktop.mk
--- fbreader-0.99.4.orig/makefiles/arch/desktop.mk	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/makefiles/arch/desktop.mk	2018-01-11 22:18:40.119207269 +0700
@@ -15,27 +15,9 @@
 CFLAGS = -pipe -fno-exceptions -Wall -Wno-ctor-dtor-privacy -W -DLIBICONV_PLUG
 LDFLAGS =
-EXTERNAL_INCLUDE = $(shell pkg-config --cflags fribidi) 
+EXTERNAL_INCLUDE = $(shell pkg-config --cflags fribidi)
 
-ifeq "$(UI_TYPE)" "qt"
-  MOC = moc-qt3
-  QTINCLUDE = -I /usr/include/qt3
-else
-  MOC = $(shell pkg-config QtCore --variable=moc_location)
-  QTINCLUDE = -I $(shell pkg-config --cflags QtCore)
-endif
-
-GTKINCLUDE = $(shell pkg-config --cflags gtk+-2.0 libpng xft)
-
-ifeq "$(UI_TYPE)" "qt"
-  UILIBS = -lqt-mt
-endif
-
-ifeq "$(UI_TYPE)" "qt4"
-  UILIBS = $(shell pkg-config --libs QtCore QtGui QtNetwork)
-endif
-
-ifeq "$(UI_TYPE)" "gtk"
-  UILIBS = $(shell pkg-config --libs gtk+-2.0 gio-2.0) -lpng -ljpeg
-endif
+MOC = "$(shell pkg-config --variable=host_bins Qt5Core)/moc"
+QTINCLUDE = $(shell pkg-config --cflags Qt5Gui Qt5Widgets Qt5Network)
+UILIBS = $(shell pkg-config --libs Qt5Gui Qt5Widgets Qt5Network)
 
 RM = rm -rvf
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/application/LineEditParameter.cpp fbreader-0.99.4/zlibrary/ui/src/qt4/application/LineEditParameter.cpp
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/application/LineEditParameter.cpp	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/application/LineEditParameter.cpp	2018-01-11 22:18:40.120207269 +0700
@@ -18,7 +18,7 @@
  */
 
-#include <QtGui/QBoxLayout>
-#include <QtGui/QLineEdit>
-#include <QtGui/QToolBar>
+#include <QtWidgets/QBoxLayout>
+#include <QtWidgets/QLineEdit>
+#include <QtWidgets/QToolBar>
 #include <QtGui/QKeyEvent>
 
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/application/ZLQtApplicationWindow.cpp fbreader-0.99.4/zlibrary/ui/src/qt4/application/ZLQtApplicationWindow.cpp
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/application/ZLQtApplicationWindow.cpp	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/application/ZLQtApplicationWindow.cpp	2018-01-11 22:18:40.120207269 +0700
@@ -18,15 +18,15 @@
  */
 
-#include <QtGui/QApplication>
+#include <QtWidgets/QApplication>
 #include <QtGui/QPixmap>
 #include <QtGui/QImage>
 #include <QtGui/QIcon>
-#include <QtGui/QToolBar>
-#include <QtGui/QMenuBar>
-#include <QtGui/QMenu>
-#include <QtGui/QToolButton>
-#include <QtGui/QLayout>
+#include <QtWidgets/QToolBar>
+#include <QtWidgets/QMenuBar>
+#include <QtWidgets/QMenu>
+#include <QtWidgets/QToolButton>
+#include <QtWidgets/QLayout>
 #include <QtGui/QWheelEvent>
-#include <QtGui/QDockWidget>
+#include <QtWidgets/QDockWidget>
 #include <QtCore/QObjectList>
 
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/application/ZLQtApplicationWindow.h fbreader-0.99.4/zlibrary/ui/src/qt4/application/ZLQtApplicationWindow.h
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/application/ZLQtApplicationWindow.h	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/application/ZLQtApplicationWindow.h	2018-01-11 22:18:40.120207269 +0700
@@ -23,6 +23,6 @@
 #include <map>
 
-#include <QtGui/QMainWindow>
-#include <QtGui/QAction>
+#include <QtWidgets/QMainWindow>
+#include <QtWidgets/QAction>
 #include <QtGui/QCursor>
 
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtDialog.cpp fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtDialog.cpp
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtDialog.cpp	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtDialog.cpp	2018-01-11 22:18:40.120207269 +0700
@@ -18,6 +18,6 @@
  */
 
-#include <QtGui/QApplication>
-#include <QtGui/QPushButton>
+#include <QtWidgets/QApplication>
+#include <QtWidgets/QPushButton>
 
 #include <ZLDialogManager.h>
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtDialog.h fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtDialog.h
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtDialog.h	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtDialog.h	2018-01-11 22:18:40.120207269 +0700
@@ -21,6 +21,6 @@
 #define __ZLQTDIALOG_H__
 
-#include <QtGui/QDialog>
-#include <QtGui/QLayout>
+#include <QtWidgets/QDialog>
+#include <QtWidgets/QLayout>
 
 #include <ZLDialog.h>
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtDialogContent.cpp fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtDialogContent.cpp
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtDialogContent.cpp	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtDialogContent.cpp	2018-01-11 22:18:40.120207269 +0700
@@ -18,8 +18,8 @@
  */
 
-#include <QtGui/QApplication>
-#include <QtGui/QDesktopWidget>
-#include <QtGui/QWidget>
-#include <QtGui/QLayout>
+#include <QtWidgets/QApplication>
+#include <QtWidgets/QDesktopWidget>
+#include <QtWidgets/QWidget>
+#include <QtWidgets/QLayout>
 
 #include "ZLQtDialogContent.h"
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtDialogManager.cpp fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtDialogManager.cpp
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtDialogManager.cpp	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtDialogManager.cpp	2018-01-11 22:18:40.120207269 +0700
@@ -18,9 +18,9 @@
  */
 
-#include <QtGui/QApplication>
-#include <QtGui/QMessageBox>
-#include <QtGui/QFileDialog>
+#include <QtWidgets/QApplication>
+#include <QtWidgets/QMessageBox>
+#include <QtWidgets/QFileDialog>
 #include <QtGui/QClipboard>
-#include <QtGui/QDesktopWidget>
+#include <QtWidgets/QDesktopWidget>
 
 #include "ZLQtDialogManager.h"
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtOpenFileDialog.cpp fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtOpenFileDialog.cpp
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtOpenFileDialog.cpp	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtOpenFileDialog.cpp	2018-01-11 22:18:40.120207269 +0700
@@ -18,5 +18,5 @@
  */
 
-#include <QtGui/QFileDialog>
+#include <QtWidgets/QFileDialog>
 
 #include "ZLQtOpenFileDialog.h"
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtOptionView.cpp fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtOptionView.cpp
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtOptionView.cpp	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtOptionView.cpp	2018-01-11 22:18:40.121207269 +0700
@@ -20,14 +20,14 @@
 #include <cctype>
 
-#include <QtGui/QCheckBox>
-#include <QtGui/QComboBox>
-#include <QtGui/QLabel>
-#include <QtGui/QGroupBox>
-#include <QtGui/QRadioButton>
-#include <QtGui/QPushButton>
-#include <QtGui/QSpinBox>
-#include <QtGui/QLineEdit>
-#include <QtGui/QSlider>
-#include <QtGui/QLayout>
+#include <QtWidgets/QCheckBox>
+#include <QtWidgets/QComboBox>
+#include <QtWidgets/QLabel>
+#include <QtWidgets/QGroupBox>
+#include <QtWidgets/QRadioButton>
+#include <QtWidgets/QPushButton>
+#include <QtWidgets/QSpinBox>
+#include <QtWidgets/QLineEdit>
+#include <QtWidgets/QSlider>
+#include <QtWidgets/QLayout>
 
 #include <ZLStringUtil.h>
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtOptionsDialog.cpp fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtOptionsDialog.cpp
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtOptionsDialog.cpp	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtOptionsDialog.cpp	2018-01-11 22:18:40.121207269 +0700
@@ -18,9 +18,9 @@
  */
 
-#include <QtGui/QApplication>
-#include <QtGui/QDesktopWidget>
-#include <QtGui/QLayout>
-#include <QtGui/QPushButton>
-#include <QtGui/QButtonGroup>
+#include <QtWidgets/QApplication>
+#include <QtWidgets/QDesktopWidget>
+#include <QtWidgets/QLayout>
+#include <QtWidgets/QPushButton>
+#include <QtWidgets/QButtonGroup>
 #include <QtGui/QResizeEvent>
 
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtOptionsDialog.h fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtOptionsDialog.h
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtOptionsDialog.h	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtOptionsDialog.h	2018-01-11 22:18:40.121207269 +0700
@@ -21,7 +21,7 @@
 #define __ZLQTOPTIONSDIALOG_H__
 
-#include <QtGui/QWidget>
-#include <QtGui/QTabWidget>
-#include <QtGui/QDialog>
+#include <QtWidgets/QWidget>
+#include <QtWidgets/QTabWidget>
+#include <QtWidgets/QDialog>
 
 #include "../../../../core/src/desktop/dialogs/ZLDesktopOptionsDialog.h"
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtProgressDialog.cpp fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtProgressDialog.cpp
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtProgressDialog.cpp	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtProgressDialog.cpp	2018-01-11 22:18:40.121207269 +0700
@@ -20,9 +20,9 @@
 #include <unistd.h>
 
-#include <QtGui/QApplication>
-#include <QtGui/QDesktopWidget>
-#include <QtGui/QWidget>
-#include <QtGui/QLabel>
-#include <QtGui/QLayout>
+#include <QtWidgets/QApplication>
+#include <QtWidgets/QDesktopWidget>
+#include <QtWidgets/QWidget>
+#include <QtWidgets/QLabel>
+#include <QtWidgets/QLayout>
 #include <QtCore/QThreadPool>
 
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtProgressDialog.h fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtProgressDialog.h
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtProgressDialog.h	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtProgressDialog.h	2018-01-11 22:18:40.121207269 +0700
@@ -23,9 +23,9 @@
 #include <string>
 
-#include <QtGui/QWidget>
+#include <QtWidgets/QWidget>
 #include <QtGui/QCursor>
-#include <QtGui/QDialog>
-#include <QtGui/QProgressBar>
-#include <QtGui/QLabel>
+#include <QtWidgets/QDialog>
+#include <QtWidgets/QProgressBar>
+#include <QtWidgets/QLabel>
 #include <QtCore/QRunnable>
 
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtTreeDialog.cpp fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtTreeDialog.cpp
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtTreeDialog.cpp	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtTreeDialog.cpp	2018-01-11 22:18:40.120207269 +0700
@@ -20,10 +20,10 @@
 #include <algorithm>
 
-#include <QtGui/QSplitter>
-#include <QtGui/QVBoxLayout>
-#include <QtGui/QHBoxLayout>
-#include <QtGui/QScrollBar>
 #include <QtGui/QResizeEvent>
 #include <QtCore/QDebug>
+#include <QtWidgets/QSplitter>
+#include <QtWidgets/QVBoxLayout>
+#include <QtWidgets/QHBoxLayout>
+#include <QtWidgets/QScrollBar>
 
 #include <ZLFile.h>
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtTreeDialog.h fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtTreeDialog.h
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/dialogs/ZLQtTreeDialog.h	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/dialogs/ZLQtTreeDialog.h	2018-01-11 22:18:40.121207269 +0700
@@ -25,10 +25,10 @@
 #include <QtCore/QMap>
 
-#include <QtGui/QDialog>
-#include <QtGui/QScrollArea>
-#include <QtGui/QPushButton>
-#include <QtGui/QLabel>
-#include <QtGui/QLineEdit>
-#include <QtGui/QWidget>
+#include <QtWidgets/QDialog>
+#include <QtWidgets/QScrollArea>
+#include <QtWidgets/QPushButton>
+#include <QtWidgets/QLabel>
+#include <QtWidgets/QLineEdit>
+#include <QtWidgets/QWidget>
 
 #include <ZLTreeDialog.h>
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/library/ZLQApplication.h fbreader-0.99.4/zlibrary/ui/src/qt4/library/ZLQApplication.h
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/library/ZLQApplication.h	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/library/ZLQApplication.h	2018-01-11 22:18:40.121207269 +0700
@@ -21,5 +21,5 @@
 #define __ZLQAPPLICATION_H__
 
-#include <QtGui/QApplication>
+#include <QtWidgets/QApplication>
 
 class ZLQApplication : public QApplication {
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/library/ZLibrary.cpp fbreader-0.99.4/zlibrary/ui/src/qt4/library/ZLibrary.cpp
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/library/ZLibrary.cpp	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/library/ZLibrary.cpp	2018-01-11 22:18:40.121207269 +0700
@@ -20,5 +20,5 @@
 #include <QtCore/QTextCodec>
 #include <QtCore/QFile>
-#include <QtGui/QApplication>
+#include <QtWidgets/QApplication>
 #include <QtGui/QFileOpenEvent>
 
@@ -73,5 +73,5 @@
 	new ZLQApplication(argc, argv);
 
-	QTextCodec::setCodecForCStrings(QTextCodec::codecForName("utf-8"));
+	QTextCodec::setCodecForLocale(QTextCodec::codecForName("utf-8"));
 
 	ZLibrary::parseArguments(argc, argv);
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/network/ZLQtNetworkManager.cpp fbreader-0.99.4/zlibrary/ui/src/qt4/network/ZLQtNetworkManager.cpp
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/network/ZLQtNetworkManager.cpp	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/network/ZLQtNetworkManager.cpp	2018-01-11 22:18:40.120207269 +0700
@@ -25,5 +25,7 @@
 #include <QtCore/QList>
 #include <QtCore/QTimer>
+#include <QtCore/QUrlQuery>
 
+#include <QtNetwork/QNetworkCookie>
 #include <QtNetwork/QNetworkRequest>
 #include <QtNetwork/QNetworkReply>
@@ -150,10 +152,10 @@
 	if (!scope.request->postParameters().empty()) {
 		QByteArray data;
-		QUrl tmp;
+		QUrlQuery tmp;
 		typedef std::pair<std::string, std::string> string_pair;
 		foreach (const string_pair &pair, scope.request->postParameters()) {
 			tmp.addQueryItem(QString::fromStdString(pair.first), QString::fromStdString(pair.second));
 		}
-		data = tmp.encodedQuery();
+		data = tmp.query(QUrl::FullyEncoded).toUtf8(); //encodedQuery();
 		reply = const_cast<QNetworkAccessManager&>(myManager).post(networkRequest, data);
 	} else {
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/tree/QtWaitingSpinner.cpp fbreader-0.99.4/zlibrary/ui/src/qt4/tree/QtWaitingSpinner.cpp
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/tree/QtWaitingSpinner.cpp	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/tree/QtWaitingSpinner.cpp	2018-01-11 22:13:39.639219906 +0700
@@ -87,5 +87,5 @@
 
 void QtWaitingSpinner::setRoundness(qreal roundness) {
-	myRoundness = std::max(0.0, std::min(100.0, roundness));
+	myRoundness = std::max(static_cast<qreal>(0.0), std::min(static_cast<qreal>(100.0), roundness));
 }
 
@@ -149,5 +149,5 @@
 	qreal gradation = alphaDiff / (qreal)(distanceThreshold + 1);
 	qreal resultAlpha = color.alphaF() - gradation * distance;
-	resultAlpha = std::min(1.0, std::max(0.0, resultAlpha)); //if alpha is out of bound, force it to bounds
+	resultAlpha = std::min(static_cast<qreal>(1.0), std::max(static_cast<qreal>(0.0), resultAlpha)); //if alpha is out of bound, force it to bounds
 	color.setAlphaF(resultAlpha);
 	return color;
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/tree/QtWaitingSpinner.h fbreader-0.99.4/zlibrary/ui/src/qt4/tree/QtWaitingSpinner.h
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/tree/QtWaitingSpinner.h	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/tree/QtWaitingSpinner.h	2018-01-11 22:18:40.121207269 +0700
@@ -4,5 +4,5 @@
 #include <QtCore/QTimer>
 
-#include <QtGui/QWidget>
+#include <QtWidgets/QWidget>
 #include <QtGui/QColor>
 
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/tree/ZLQtItemsListWidget.cpp fbreader-0.99.4/zlibrary/ui/src/qt4/tree/ZLQtItemsListWidget.cpp
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/tree/ZLQtItemsListWidget.cpp	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/tree/ZLQtItemsListWidget.cpp	2018-01-11 22:18:40.120207269 +0700
@@ -18,12 +18,12 @@
  */
 
-#include <QtGui/QVBoxLayout>
-#include <QtGui/QHBoxLayout>
 #include <QtGui/QPixmap>
 #include <QtGui/QPalette>
 #include <QtGui/QPainter>
 #include <QtGui/QPaintEvent>
-#include <QtGui/QScrollBar>
 #include <QtCore/QTimer>
+#include <QtWidgets/QVBoxLayout>
+#include <QtWidgets/QHBoxLayout>
+#include <QtWidgets/QScrollBar>
 
 #include <QtCore/QDebug>
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/tree/ZLQtItemsListWidget.h fbreader-0.99.4/zlibrary/ui/src/qt4/tree/ZLQtItemsListWidget.h
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/tree/ZLQtItemsListWidget.h	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/tree/ZLQtItemsListWidget.h	2018-01-11 22:18:40.120207269 +0700
@@ -21,10 +21,10 @@
 #define __ZLQTITEMSLISTWIDGET_H__
 
-#include <QtGui/QWidget>
-#include <QtGui/QFrame>
-#include <QtGui/QPushButton>
-#include <QtGui/QLabel>
-#include <QtGui/QVBoxLayout>
-#include <QtGui/QScrollArea>
+#include <QtWidgets/QWidget>
+#include <QtWidgets/QFrame>
+#include <QtWidgets/QPushButton>
+#include <QtWidgets/QLabel>
+#include <QtWidgets/QVBoxLayout>
+#include <QtWidgets/QScrollArea>
 
 #include <ZLTreeTitledNode.h>
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/tree/ZLQtPreviewWidget.cpp fbreader-0.99.4/zlibrary/ui/src/qt4/tree/ZLQtPreviewWidget.cpp
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/tree/ZLQtPreviewWidget.cpp	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/tree/ZLQtPreviewWidget.cpp	2018-01-11 22:18:40.120207269 +0700
@@ -18,8 +18,8 @@
  */
 
-#include <QtGui/QVBoxLayout>
-#include <QtGui/QHBoxLayout>
-#include <QtGui/QScrollBar>
-#include <QtGui/QGraphicsDropShadowEffect>
+#include <QtWidgets/QVBoxLayout>
+#include <QtWidgets/QHBoxLayout>
+#include <QtWidgets/QScrollBar>
+#include <QtWidgets/QGraphicsDropShadowEffect>
 
 #include <QtCore/QDebug>
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/tree/ZLQtPreviewWidget.h fbreader-0.99.4/zlibrary/ui/src/qt4/tree/ZLQtPreviewWidget.h
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/tree/ZLQtPreviewWidget.h	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/tree/ZLQtPreviewWidget.h	2018-01-11 22:18:40.121207269 +0700
@@ -21,9 +21,9 @@
 #define __ZLQTPREVIEWWIDGET_H__
 
-#include <QtGui/QWidget>
-#include <QtGui/QPushButton>
-#include <QtGui/QLabel>
-#include <QtGui/QScrollArea>
-#include <QtGui/QVBoxLayout>
+#include <QtWidgets/QWidget>
+#include <QtWidgets/QPushButton>
+#include <QtWidgets/QLabel>
+#include <QtWidgets/QScrollArea>
+#include <QtWidgets/QVBoxLayout>
 #include <QtCore/QSet>
 
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/tree/ZLQtSearchField.cpp fbreader-0.99.4/zlibrary/ui/src/qt4/tree/ZLQtSearchField.cpp
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/tree/ZLQtSearchField.cpp	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/tree/ZLQtSearchField.cpp	2018-01-11 22:18:40.120207269 +0700
@@ -19,7 +19,7 @@
 
 #include <QtCore/QDebug>
-#include <QtGui/QStyle>
-#include <QtGui/QCompleter>
-#include <QtGui/QStringListModel>
+#include <QtCore/QStringListModel>
+#include <QtWidgets/QStyle>
+#include <QtWidgets/QCompleter>
 
 #include <ZLibrary.h>
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/tree/ZLQtSearchField.h fbreader-0.99.4/zlibrary/ui/src/qt4/tree/ZLQtSearchField.h
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/tree/ZLQtSearchField.h	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/tree/ZLQtSearchField.h	2018-01-11 22:18:40.121207269 +0700
@@ -22,6 +22,6 @@
 
 #include <QtCore/QSet>
-#include <QtGui/QLabel>
-#include <QtGui/QLineEdit>
+#include <QtWidgets/QLabel>
+#include <QtWidgets/QLineEdit>
 
 #include "QtWaitingSpinner.h"
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/view/ZLQtViewWidget.cpp fbreader-0.99.4/zlibrary/ui/src/qt4/view/ZLQtViewWidget.cpp
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/view/ZLQtViewWidget.cpp	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/view/ZLQtViewWidget.cpp	2018-01-11 22:18:40.121207269 +0700
@@ -20,6 +20,6 @@
 #include <algorithm>
 
-#include <QtGui/QLayout>
-#include <QtGui/QScrollBar>
+#include <QtWidgets/QLayout>
+#include <QtWidgets/QScrollBar>
 #include <QtGui/QPainter>
 #include <QtGui/QPixmap>
@@ -186,9 +186,9 @@
 void ZLQtViewWidget::setScrollbarEnabled(ZLView::Direction direction, bool enabled) {
 	if (direction == ZLView::VERTICAL) {
-		myRightScrollBar->setShown(enabled && myShowScrollBarAtRight);
-		myLeftScrollBar->setShown(enabled && !myShowScrollBarAtRight);
+		myRightScrollBar->setVisible(enabled && myShowScrollBarAtRight);
+		myLeftScrollBar->setVisible(enabled && !myShowScrollBarAtRight);
 	} else {
-		myBottomScrollBar->setShown(enabled && myShowScrollBarAtBottom);
-		myTopScrollBar->setShown(enabled && !myShowScrollBarAtBottom);
+		myBottomScrollBar->setVisible(enabled && myShowScrollBarAtBottom);
+		myTopScrollBar->setVisible(enabled && !myShowScrollBarAtBottom);
 	}
 }
diff -r -U2 fbreader-0.99.4.orig/zlibrary/ui/src/qt4/view/ZLQtViewWidget.h fbreader-0.99.4/zlibrary/ui/src/qt4/view/ZLQtViewWidget.h
--- fbreader-0.99.4.orig/zlibrary/ui/src/qt4/view/ZLQtViewWidget.h	2012-11-30 19:41:25.000000000 +0700
+++ fbreader-0.99.4/zlibrary/ui/src/qt4/view/ZLQtViewWidget.h	2018-01-11 22:18:40.121207269 +0700
@@ -21,5 +21,5 @@
 #define __ZLQTVIEWWIDGET_H__
 
-#include <QtGui/QWidget>
+#include <QtWidgets/QWidget>
 
 #include "../../../../core/src/view/ZLViewWidget.h"
